Differentiate, distinguish, compare and explain what is the main difference between electromagnet and permanent magnet. Comparison and Differences.
Difference between Electromagnet and Permanent Magnet
| S.No. | Electromagnet | Permanent Magnet |
| 1 | Electromagnet is temporary as it exhibits magnetic force only when current flows through it. | Permanent Magnet as the name say is a permanent magnet. |
| 2 | Produces very strong magnetic force. | Produces comparatively much weaker magnetic force. |
| 3 | Strength can be changed. | Strength cannot be changed. |
| 4 | Polarity can be changed. | Polarity cannot be changed. |
| 5 | Electromagnets are very strong as compared to permanent magnets. | Magnetism property gets weaker over time or if gets dropped. |
| 6 | Electromagnets need electrical energy. | Permanent magnets need no outside energy. |
| 7 | Discovered in 1820. | Discovered long 2000 years ago. |
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Difference between Permanent Magnet vs Electromagnet
Electromagnet vs Permanent Magnet
Differences between Permanent Magnet vs Electromagnet
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